This product comes from Alaris Antennas catalogues

High-Power LPDA Antenna


This high-powered LPDA is a directional log-periodic dipole array primarily designed for EW applications. It covers the frequency band from 20 to 520 MHz. It can handle a continuous input power of 1000 W and has a gain greater than 5 dBi. The polarisation is adjustable between vertical and horizontal. The antenna can be broken down into pieces smaller than 2.7 m in length which allows compact storage. The antenna can be erected from packaging in less than 10 minutes.

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Frequency range 20 - 520 MHz
VSWR < 2.5:1
Nominal input impedance 50 O
Connector 7/16 female
Feed power handling 1000 W continuous
E-plane 3 dB beamwidth = 60°
H-plane 3 dB beamwidth = 75°
Polarisation Adjustable with deployment (vertical and horizontal)
Earth connection Earth connector allowing to connect a grounding cable
Dimensions (w x l) 7000 mm x 5200 mm
Weight < 50 kg
Material Aluminium
Mounting method Bracket onto a mast
Packaging Transportable bag or crate
MTBF 100

    Product Applications

    Electronic Countermeasures
  • Communications Jamming
  • Communications
  • Point-to-point Communications

    Design Features

  • Low frequency coverage up to 520 MHz in a single antenna Low VSWR High gain of 5 dBi over most of the band High feed power handling of 1000 W Easy construction of detachable elements with spring fasteners Compact storage as unit is easily broken into smaller parts